Pieface's all time hero, Cherry Bakewell, is coming to Beanotown to judge the annual bake-off. Pieface wants to make the best pie ever and win the competition but when Dennis discovers Pieface has never actually baked a pie before, he does everything he can to ensure a win, with pie-splattering results!

Dennis is mistaken for a Beanotown baddie while in disguise to sneak into 12A film. At first Dennis loves being treated like a celebrity, but as things begin to go awry his friends have to save him by revealing his real identity and capturing the real diamond-stealing baddie!